Patent Assignment
Reel/Frame 013854/0178
Amalgamation
Recorded: 2003-03-13
Pages: 5
Assignor
COMPUTALOG LTD.
Executed: 2002-01-01
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
#4200, 1500-6TH AVENUE SW, CALGARY, AB, T2P 3Y7, CANADA
Covered Property
(1)
Apparatus and Method for Directional Drilling with Coiled Tubing
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 14, 2001
From: COMEAU, LAURIER E.; GILLIS, IAN G.; KNULL, CRAIG J.
To: COMPUTALOG LTD.
Reel/Frame 012087/0774 →
Merger
Aug 3, 2005
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
To: PRECISION ENERGY SERVICES, LTD.
Reel/Frame 016345/0103 →
Assignment of Assignor's Interest
Apr 21, 2006
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 017507/0031 →
Assignment of Assignor's Interest
Apr 26, 2006
From: PRECISION ENERGY SERVICES ULC
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 017527/0191 →